199020910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 409406400

約数和(自身を除く): 210385490

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 89, 110, 145, 178, 290, 319, 445, 638, 701, 890, 979, 1402, 1595, 1958, 2581, 3190, 3505, 4895, 5162, 7010, 7711, 9790, 12905, 15422, 20329, 25810, 28391, 38555, 40658, 56782, 62389, 77110, 101645, 124778, 141955, 203290, 223619, 283910, 311945, 447238, 623890, 686279, 1118095, 1372558, 1809281, 2236190, 3431395, 3618562, 6862790, 9046405, 18092810, 19902091, 39804182, 99510455, 199020910]

約数ペア:

[(1, 199020910), (2, 99510455), (5, 39804182), (10, 19902091), (11, 18092810), (22, 9046405), (29, 6862790), (55, 3618562), (58, 3431395), (89, 2236190), (110, 1809281), (145, 1372558), (178, 1118095), (290, 686279), (319, 623890), (445, 447238), (638, 311945), (701, 283910), (890, 223619), (979, 203290), (1402, 141955), (1595, 124778), (1958, 101645), (2581, 77110), (3190, 62389), (3505, 56782), (4895, 40658), (5162, 38555), (7010, 28391), (7711, 25810), (9790, 20329), (12905, 15422)]